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| author | Neil Moore <neil@s-z.org> | 2014-04-22 22:29:28 -0400 |
|---|---|---|
| committer | Neil Moore <neil@s-z.org> | 2014-04-23 00:14:08 -0400 |
| commit | 7a2063a1c841ca47cec7d9f6806a5d3608637e57 (patch) | |
| tree | 571e81939886bfb4a36aa8b4567d6f7aa9014696 /crawl-ref/source/dgn-height.cc | |
| parent | 67f9d0461c7b3e5394ef1c653e1bbdae5f8812b0 (diff) | |
| download | crawl-ref-7a2063a1c841ca47cec7d9f6806a5d3608637e57.tar.gz crawl-ref-7a2063a1c841ca47cec7d9f6806a5d3608637e57.zip | |
Avoid a theoretical divide by zero (floatingatoll, #8415)
Diffstat (limited to 'crawl-ref/source/dgn-height.cc')
| -rw-r--r-- | crawl-ref/source/dgn-height.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crawl-ref/source/dgn-height.cc b/crawl-ref/source/dgn-height.cc index 91092552ee..6979acd308 100644 --- a/crawl-ref/source/dgn-height.cc +++ b/crawl-ref/source/dgn-height.cc @@ -82,7 +82,10 @@ void dgn_smooth_height_at(coord_def c, int radius, int max_height) total += nheight * weight; } } - dgn_height_at(c) = total / divisor; + // Can't actually be zero currently unless someone passes a negative + // or overflowing radius, but this avoids a static analysis warning. + if (divisor) + dgn_height_at(c) = total / divisor; } void dgn_smooth_heights(int radius, int npasses) |